SR3225SAA (RF发射器模块)

SR3225SAA is a wireless transmitter module in the UHF range. The crystal resonator, oscillator, phase-locked loop, and power amplifier are integrated in a ceramic package of 3.2 mm x 3.5 mm. By connecting external control devices, wireless transmission functions can be configured. Suitable for small wireless transmitters

·SR3225SAA is a wireless transmitter module in the UHF range.

·Compliant with AEC-Q100.

·The crystal resonator, oscillator, phase-locked loop, and power amplifier are integrated in a ceramic package of 3.2 mm x 2.5 mm.

·Application: Remote keyless entry: Passive entry: Short range radio data transmitter: Garage door opener: RFID tag transmitter

summary

·Carrier frequency band 300 MHz to 465 MHz (0.25 kHz step size) 600 MHz to 930 MHz (0.49 kHz step size)

· Δ-Σ Fractional n-type phase-locked loop

·Programmable power amplifier output power: -15~11dbm, 128 steps

·Modulation type: ASK/OOK/FSK with soft ASK and/or soft FSK shaping

·3-wire/4-wire SPI interface

·Special function register

·Embedded 32mhz crystal resonator and oscillation circuit

·Programmable clock output through CKOUT

·Low voltage detection programmable voltage threshold: 4 steps (1.8V~2.4V)

·Fault safety mechanism (phase-locked loop loss of lock, VCO automatic calibration error, undervoltage detection)